WO2022138447A1

WO2022138447A1 - Feces-sampling container

Info

Publication number: WO2022138447A1
Application number: PCT/JP2021/046534
Authority: WO
Inventors: 庸正嶋田
Original assignee: ミナリスメディカル株式会社
Priority date: 2020-12-23
Filing date: 2021-12-16
Publication date: 2022-06-30
Also published as: JPWO2022138447A1; EP4269982A1; JP7399391B2; TW202229535A

Abstract

Provided is a feces-sampling container that reduces feces sample quantity variation, and has excellent quantifiability. Also provided is a feces-sampling method that reduces feces sample quantity variation, and has excellent quantifiability. The present invention provides a feces-sampling container comprising: a feces-sampling rod 10 that includes a rod part 12 and a feces-sampling part 17 having axial slanted grooves 17a in the vicinity of an end of the rod part 12; and a container body that accommodates the feces-sampling rod 10 and includes a leveling part for leveling feces provided to a position through which the feces-sampling part 17 passes when the feces-sampling rod 10 is accommodated therein.

Description

Toilet bowl

The present invention relates to a toilet bowl, specifically, a toilet bowl with excellent quantitativeness, which reduces variation in the amount of stool collected.

The so-called fecal occult blood test, which tests fecal hemoglobin excreted from animals including humans, is often used in clinical tests because it is very useful for diagnosing various diseases such as tumors of the lower gastrointestinal tract such as the large intestine. It is used. In the clinical test, it is necessary to quantitatively collect feces and suspend them in an appropriate buffer solution, which is achieved by simple, hygienic and accurate means, and hygienic storage and transportation after stool collection. Various toilet bowls have been developed and reported in large numbers to make it possible.

For example, Patent Document 1 describes a toilet collecting device including a stool collecting rod, a container body, and a fitting body fitted inside the container body, and the stool collecting rod has a grip portion on one side. In addition to having a rod portion on the other side, a stool collection portion is provided near the tip of the rod portion, and the container body has an opening for fitting a fitting body on one side and a bottom on the other side. A stool lysate accommodating portion for accommodating the stool lysate is formed in the space between the lower portion of the container body and the lower portion of the fitting body, and the fitting body has a rod portion of a stool collection rod. A tubular guide portion that can be inserted, a first cut hole for removing excess stool provided in the tubular guide portion, and an excess stool further below the first cut hole. Disclosed is a toilet bowl having a second cut hole for removal and having a stool collection detection region formed in a tubular guide portion adjacent to the upper end of the first cut hole. However, Patent Document 1 does not disclose the axially inclined groove of the stool collection portion, which will be described later.

Further, in Patent Document 2, a substantially tubular container having one end open and the other end closed to accommodate a medium, a cap detachably attached to the open end of the container, and an integral cap. In a stool collection tube having a stool collection body fixed to the stool collection body, a plurality of concave grooves are formed on the surface of the stool collection body, and a plurality of concave grooves are formed on the surface of the stool collection body. Disclosed is a stool collection tube characterized in that the stool is formed in a spiral shape in a direction inclined by a predetermined angle with respect to the axial direction of the stool collection body. However, Patent Document 2 does not disclose a scraping portion for scraping stool, which will be described later.

In addition, Patent Document 3 comprises a container main body and a stool collection rod having a grip portion on one side and a rod portion having a stool collection portion near the tip thereof on the other side. In the main body, an opening through which the stool collection portion of the stool collection rod is inserted and a desiccant are enclosed inside, and the stool collection portion inserted from the opening and holding the stool sample comes into contact with the desiccant. Disclosed is a toilet bowl provided with a stool storage chamber for drying the stool sample held in the stool collection section and storing the dried stool sample in a desiccant.

WO2010 / 067534 JP-A-2009-276311 WO2017 / 104132

In the case of a test using an antigen-antibody reaction to an antigen contained in a stool sample, it is required to secure a certain amount of stool collection regardless of the properties of the stool to be tested, and the stool sample buffer solution. It is necessary to keep the stool concentration constant, but it has been difficult to carry out a quantitative test using the above stool collector.
Therefore, the present disclosure provides a highly quantitative toilet bowl with reduced variation in the amount of stool collected. Further, the present disclosure provides a highly quantitative method of collecting stool with reduced variation in the amount of stool collected.

The present invention includes various embodiments. Examples of embodiments are given below. The present invention is not limited to the following embodiments. The following embodiments can be implemented alone or in combination.

In the first embodiment, a stool collection rod having a rod portion and a stool collection portion having an axially inclined groove in the vicinity of the rod portion and the end portion of the rod portion, the stool collection rod, and the stool collection rod are accommodated. At least, a container body having a scraping portion for scraping stool is provided at a position through which the stool collecting portion passes.

In the first embodiment, the excess stool adhering to the stool collection rod is scraped off at the scraping portion and removed. Further, even if the stool does not sufficiently enter the axially inclined groove at the time of collecting stool and a gap is formed in the axially inclined groove, the excess stool is scraped off by the shaving portion. When the stool is removed, the stool is pushed into the axially inclined groove, so that the stool can be distributed to all the stool collection grooves. As a result, the variation in the amount of stool collected is reduced.

In the first embodiment, when the stool collection rod is housed in the stool collection container, the stool collection portion may pass through the shaving portion without rotating, or the stool collection portion may pass through the shaving portion while rotating. good. Further, in the first embodiment, the container body may be separable into a plurality of members. The plurality of members may be, for example, a container outer frame and a fitting body fitted inside the container outer frame. When the container body can be separated into a plurality of members, the scraping portion and the cylindrical guide portion described later may be collectively installed in one of the plurality of members, and may be installed in the plurality of members. It may be arranged separately.

The second embodiment at least includes, in the toilet bowl of the first embodiment, that the rod portion of the toilet collecting rod has a screw portion, and the container body has a screw hole for screwing with the screw portion.

Generally, when the stool collection part of the stool collection stick is pressed against the stool, in order to be able to collect stool regardless of the direction in which the stool collection part is pressed against the stool, stool is collected at 360 ° around the entire circumference of the stool collection part. It is necessary to provide a groove. However, even if the stool collection groove is arranged at 360 °, when the stool collection rod is pressed against the stool from only one direction, stool can be collected only by the stool collection groove in the one direction of the stool collection rod. Although it is possible to collect stool, the amount of stool collected varies. Therefore, even when the stool collection stick is pressed against the stool from only one direction, the function to spread the stool to all the stool collection grooves arranged at 360 ° all around the stool collection part and the stool collection It is considered necessary to have a structure that easily enters the stool groove and a function to forcibly embed stool in the stool collection groove.

In the second embodiment, the stool collection rod and the container body are configured to be screwed together. In the second embodiment, even when the stool collection rod is pressed against the stool from only one direction, when the stool collection rod is subsequently housed in the container body, it is scraped off by the shaving portion and removed. The excess stool that has been collected is pushed into the axially inclined groove in accordance with the rotation of the stool collection section caused by the screwing, so that the stool can be distributed to all the stool collection grooves. As a result, the variation in the amount of stool collected is reduced.

The third embodiment includes at least including, in the toilet bowl of the second embodiment, that the toilet collecting rod is provided with the screw portion at the other end base portion of the rod portion. Further, in the third embodiment, the stool collecting rod may be provided with a gripping portion in order to make it easier for the stool collecting person to grip the stool collecting rod at the time of collecting stool.

In the fourth embodiment, in the toilet bowls of the first to third embodiments, the insertion distance of the toilet bowl and the axially inclined groove when the toilet bowl is screwed into the container body for 1.5 turns or more. Includes at least a ratio of 1: 1 to the distance from one end to the other in the axial direction of. In the fourth embodiment, the axial distance of the axially inclined groove and the number of rotations when the stool collecting portion provided with the axially inclined groove passes through the scraped portion of the container body are appropriately set. There is. Therefore, the stool easily enters the axially inclined groove in accordance with the rotation of the stool collection rod. As a result, the variation in the amount of stool collected is reduced.

The fifth embodiment includes at least a plurality of the axially inclined grooves in the toilet bowls of the first to fourth embodiments.

The sixth embodiment includes at least the groove depth of the axially inclined groove becomes shallower from the tip end side to the base end side of the rod portion in the toilet bowls of the first to fifth embodiments. Here, the tip end side of the rod portion is the end side of both ends of the rod portion, which is provided with the stool collection portion in the vicinity of the end portion. Further, the base end side of the rod portion is the end side of both ends of the rod portion opposite to the one provided with the stool collection portion in the vicinity of the end portion. For example, in the third embodiment, the screw portion is used. It is the end side of the side to prepare. In the sixth embodiment, the groove depth of the axially inclined groove becomes shallower from the tip end side to the base end side of the rod portion, so that the stool moves in the axial direction in accordance with the rotation of the stool collection rod. It becomes easier to enter the inclined groove. As a result, the variation in the amount of stool collected is reduced.

The seventh embodiment includes at least a spiral structure of 3 ° or more and 4 ° or less along the outer circumference of the rod portion in the toilet bowls of the first to sixth embodiments. In the fourth embodiment, since the spiral structure has a spiral structure of 3 ° or more and 4 ° or less, the stool easily enters the axially inclined groove in accordance with the rotation of the stool collection rod. As a result, the variation in the amount of stool collected is reduced.

In the eighth embodiment, in the toilet bowls of the first to seventh embodiments, the container body includes a tubular guide portion that guides the stool collection portion to the scraping portion, and the tubular guide portion is on the side of the scraping portion. At least includes providing a protruding member on the inner wall of the end. In the eighth embodiment, when the stool collection rod is inserted into the tubular guide portion, it is inserted from top to bottom while rotating. At that time, the excess stool adhering to the stool collecting portion is removed by the scraping portion. The excess stool removed will remain at the boundary between the end of the tubular guide portion on the shaving portion side and the shaving portion, and the remaining stool will protrude as the stool collection rod rotates. Accumulate on the side of the member. Here, as the stool collection rod further rotates, the stool is finally forcibly pushed into the axially inclined groove of the stool collection rod by the projecting member. As a result, the variation in the amount of stool collected is reduced.

The ninth embodiment is a round bar portion in which the rod portion has a constant diameter in the toilet bowls of the first to eighth embodiments, and the round bar portion is a hemispherical portion from the tip end side to the base end side. It includes at least a circumferential recess and a sequential upper disk portion. Here, the tip end side of the rod portion is the end side of both ends of the rod portion, which is provided with the stool collection portion in the vicinity of the end portion. Further, the base end side of the rod portion is the end side of both ends of the rod portion opposite to the one provided with the stool collection portion in the vicinity of the end portion. For example, in the third embodiment, the screw portion is used. It is the end side of the side to prepare. In the ninth embodiment, the circumferential recess serves as a space for accommodating stool like the axially inclined groove. Further, the circumferential recess can also be used to adjust the amount of stool to be collected by adjusting the depth of the recess and the thickness in the axial direction of the stool collection rod at the time of manufacturing the toilet bowl. Further, a part of the stool adhering to the side surface of the stool collection rod is caught in the concave portion, so that the collected stool may fall off after the stool is collected until the stool collection rod is stored in the container body. Be prevented. As a result, the variation in the amount of stool collected is reduced.

The tenth embodiment includes at least that the hemispherical portion has a polished surface in the toilet bowl of the ninth embodiment. In the tenth embodiment, since the hemisphere portion has a polished surface, it is possible to prevent extra stool from adhering to the tip of the stool collection rod. As a result, the variation in the amount of stool collected is reduced.

The eleventh embodiment includes at least one of the toilet bowls of the ninth or tenth embodiment, wherein the circumferential recess includes one or a plurality of ribs. In the eleventh embodiment, the rib prevents the sheared portion or the second scraped portion described later from being inserted into the circumferential recess. Thereby, the rib prevents the number of feces accommodated in the circumferential recess from being reduced. As a result, the variation in the amount of stool collected is reduced.

The twelfth embodiment includes at least including that, in the toilet bowls of the ninth to eleventh embodiments, the rod portion includes a lower disk portion between the hemispherical portion and the circumferential recess.

The thirteenth embodiment includes at least that the thickness of the lower disk portion in the axial direction is 0.5 mm or more and 1.5 mm or less in the toilet bowl of the twelfth embodiment.

The 14th embodiment includes at least having a gap between the protruding member and the round bar portion in the toilet bowls of the 9th to 13th embodiments. In the fourteenth embodiment, the surface tension generated by having the gap naturally accommodates loose stool or watery stool in the axially inclined groove. As a result, the variation in the amount of stool collected is reduced.

The fifteenth embodiment includes at least a reduced-diameter step portion having a notch on the base end side of the round bar portion in the toilet bowls of the ninth to fourteenth embodiments. By scraping off the stool adhering to the inner wall of the tubular guide portion at the axial edge of the notch, the scraped stool reaches the boundary between the edge of the tubular guide portion on the scraped portion side and the scraped portion. And drop out. After that, the dropped stool is used as stool that is pushed into the axially inclined groove in accordance with the rotation of the stool collection rod together with the excess stool removed by the scraping portion. Alternatively, the dropped stool, together with the excess stool removed by the sewage portion, is formed into the axially inclined groove of the stool collection rod by the protruding member of the inner wall of the end portion of the tubular guide portion on the shaving portion side. Used as a forced stool. This makes it possible to prepare a sufficient amount of stool to be pushed into the axially inclined groove by the protruding member even when the amount of stool removed by the scraping portion is small. As a result, the variation in the amount of stool collected is reduced.

The 16th embodiment further includes, in the toilet bowl of the 9th to 15th embodiments, a second scraping portion formed by reducing the hole diameter to the diameter of the round bar portion or less. In the 16th embodiment, even if the removal of excess stool in the scraped portion of the container body is insufficient, the hole diameter of the second scraped portion is reduced to the diameter of the round bar portion or less. Therefore, the excess stool is sufficiently removed by the second scraping portion. As a result, the variation in the amount of stool collected is reduced.

In the 17th embodiment, in the toilet bowl of the 16th embodiment, the container body includes a fitting body to be fitted inside the container outer frame and the container outer frame, and the fitting body can be fitted to the bottom thereof. A separator made of a polyethylene (PE) material or an elastomer material is included, and the separator includes at least the second scraping portion. By using a PE material or an elastomer material that is softer than a polypropylene (PP) material or the like, the hole diameter is reduced to a diameter equal to or less than the diameter of the round bar portion, and the sample is collected on the second scraped portion. It is possible to enhance the function of removing excess stool while maintaining the insertability of the stool rod. As a result, the variation in the amount of stool collected is reduced.

The 18th embodiment is a method of collecting stool, and at least includes collecting stool using the stool collecting device of the above-described 1 to 17 embodiments. By using the toilet bowls of the above-described first to 17th embodiments, it is possible to collect stools with excellent quantitativeness by reducing the variation in the amount of stools collected.

According to the present disclosure, a highly quantitative toilet bowl with reduced variation in the amount of stool collected is provided. Further, according to the present disclosure, there is provided a stool collection method having excellent quantitativeness, which reduces the variation in the stool collection amount.

It is a figure which shows the stool collection part of a stool collection stick. It is a perspective view of the vertical cross section of the stool scraping portion in a toilet bowl. It is explanatory drawing of the stool filling function by a protruding member. It is explanatory drawing of the function which can collect even the stool with a high water content. It is explanatory drawing which shows the state that the stool of a tip part moves when the stool is collected only by a part (the tip of a stool collection part) of a stool collection stick. It is explanatory drawing which shows the function of scraping off the stool of the inner wall of a tubular guide part by the reduced diameter step part which has a notch. It is a figure which shows the removable separator provided with the 2nd scraping part. Left; the whole stool collection rod, right; the round bar portion of the stool collection rod are shown. It is a figure which shows the rod part of the stool collection rod which rib is provided in the circumferential concave part. It is a vertical sectional view of a toilet bowl.

Hereinafter, a container main body including a stool collection rod, a container outer frame, and a fitting body fitted inside the container outer frame, and a stool lysing solution accommodating portion, which is an embodiment of the present invention, are provided. The "fecal solution type" toilet bowl will be described with reference to the drawings. The present invention is not limited to the following embodiments. The following embodiments can be implemented alone or in combination.

FIG. 1 (center) is a front view of the stool collection section (17) of the stool collection rod (10). FIG. 1 (left) is one of four vertically elongated axially inclined grooves (17a) arranged in a circumferential shape in the stool collection portion (17) provided on the tip side of the stool collection rod (10). It is a vertical sectional view. FIG. 1 (right) is a cross-sectional view of each of the three stool collection portions (17) from the tip end side to the base end side. FIG. 1 shows four vertically elongated axially inclined grooves (17a) arranged in a circumferential shape, which are provided in the stool collection portion (17) on the tip end side of the stool collection rod (10). The four longitudinally inclined grooves (17a) are arranged in a spiral shape along the outer circumference of the stool collection rod (10) from A (tip side) to B (base end side), respectively. The shape is such that the stool is easily pushed into the four vertically elongated axially inclined grooves (17a) according to the rotation of the stool collection rod (10). Further, as shown in the vertical cross-sectional view (left), the groove depth of the axially inclined groove (17a) becomes shallower from the tip end side (17b) to the proximal end side (17c).

Further, in FIG. 1, the hemisphere portion (13), the lower disk portion (14), and the stool are sequentially held from the tip of the stool collection rod (10) directly under the stool collection portion (17) of the stool collection rod (10). Circumferential recesses (15) and upper discs (16) are shown.

FIG. 2 is a perspective view of a vertical cross section of the stool scraping portion (23) in the tubular guide portion (22) of the toilet bowl. When the stool collection rod (not shown) is inserted into the tubular guide portion (22), it is inserted from top to bottom while rotating. The stool attached to the outer periphery of the stool collection rod collected in the stool collection part is finally pushed by the protruding member (24) into the four vertically elongated axially inclined grooves (17a) of the stool collection rod. You can put it in. The rotation direction of the stool collection rod may be clockwise or counterclockwise. In the embodiment shown in FIG. 2, the rotation direction of the stool collection rod is clockwise. The shape of the projecting member is not particularly limited, but for example, it has a structure that projects while inclining from the inner wall of the tubular guide portion toward the stool collection rod along the rotation direction of the stool collection rod. It may be a structure in which the inner wall of the tubular guide portion projects stepwise toward the stool collection rod along the rotation direction of the stool collection rod. The shape of the projecting member is not particularly limited, but for example, it has a structure that projects from the inner wall of the tubular guide portion toward the stool collection rod toward the scraped portion along the axial direction of the stool collection rod. The structure may be such that the inner wall of the tubular guide portion protrudes toward the stool collection rod along the axial direction of the stool collection rod toward the other side of the sheared portion, and the inner wall of the tubular guide portion may be present. It may have a structure that protrudes from the stool collection rod toward the stool collection rod substantially in parallel with the stool collection rod. The shape of the projecting member in the rotational direction of the stool collection rod and the shape of the projecting member in the axial direction of the stool collection rod can be freely combined. In the embodiment shown in FIG. 2, the shape of the projecting member is such that the projecting member projects while inclining from the inner wall of the tubular guide portion toward the stool collection rod along the rotation direction of the stool collection rod. At the same time, it has a structure that protrudes from the inner wall of the tubular guide portion toward the stool collection rod along the axial direction of the stool collection rod toward the other side of the scraped portion.

FIG. 3 shows the stool filling function by the protruding member (24). The stool (F) adhering to the vicinity of the tip of the stool collection rod (10) is removed by the scraping portion (23) as the stool collection rod (10) is inserted. The excess stool removed will remain at the boundary between the end of the tubular guide portion (22) on the shaving portion side and the shaving portion (23), and the remaining stool will be used as a stool collection rod ( As the rotation of 10), it accumulates on the side surface of the projecting member (24). Here, as the stool collection rod (10) further rotates, four vertically elongated axially inclined grooves (17a) arranged in a circumferential shape of the stool collection rod (10) are finally formed by the projecting member (24). ) Is filled with stool.

FIG. 4 shows a function that can be collected even for stools having a high water content such as loose stools and watery stools (W). A small gap is provided between the projecting member (24) and the stool collection rod (10), and the structure is such that surface tension is likely to act. By providing a small gap between the protruding member (24) and the stool collection rod (10), loose stool whose shape is unstable due to its high water content and liquid stool that cannot maintain its shape due to its high water content. Stools with a high water content, such as watery stools, are naturally filled in the vertically elongated axially inclined groove (17a) by surface tension.

FIG. 5 shows how the stool (F) at the tip moves when the stool (F) is collected only with a part of the stool collection stick (10) (tip of the stool collection part). Sequentially from the left in FIG. 5, the stool (F) comes into contact with the scraped portion (23) and is pulled, because the friction coefficient of the hemispherical portion (13) having the polished surface at the tip of the stool collection rod (10) is small. , The appearance of the stool (F) separating from the hemisphere (13) with the insertion of the stool collection rod (10), and the boundary between the end of the tubular guide portion (22) on the friction portion side and the friction portion (23). The state of remaining in the stool and the state of stool being accommodated in the circumferential recess (15) at the tip of the stool collection rod (10) are shown.

FIG. 6 (left) shows the inner wall of the tubular guide portion (22) at the axial edge (18a) of the notch due to the reduced diameter step portion (18) having the notch provided in the stool collection rod (10). Shows the function of scraping off stool. By scraping off the stool (F') adhering to the inner wall of the tubular guide portion (22) at the axial edge (18a) of the notch, the scraped stool is scraped off from the tubular guide portion (22). It falls off to the boundary between the end on the part side and the scraped part. The shed stool is then used as stool that is pushed into the longitudinal groove (17a) along with the excess stool removed at the scraping section. FIG. 6 (right) shows the axial edge (18a) of the notch of the reduced diameter step portion (18).

FIG. 7 shows a removable PE or elastomer separator (27) with a second scraping portion (28). FIG. 7 (upper left) is a vertical cross-sectional view of a PP fitting body (21) fitted to a container outer frame (not shown). FIG. 7 (lower left) is a vertical cross-sectional view of a removable PE or elastomer separator (27) with a second scraping portion (28). FIG. 7 (middle) is an enlarged view of a main part when a removable PE or elastomer separator (27) is fitted to the bottom of the PP fitting body (21). FIG. 7 (upper right) is a perspective view of the mating body (21) made of PP. FIG. 7 (lower right) is a perspective view of a removable PE or elastomer separator (27). The second scraping portion (28) formed by reducing the hole diameter to the diameter of the rod portion (12) of the stool collection rod or less by using a PE material or an elastomer material that is softer than the PP material or the like. It is possible to enhance the function of removing excess stool while maintaining the insertability of the stool collection rod into the stool. The elastomer material for the separator is not particularly limited, but may be, for example, natural rubber, synthetic rubber, or a resin-based elastomer.

FIG. 8 (left) is a diagram showing the entire stool collection rod, and FIG. 8 (right) is a diagram showing the round bar portion of the stool collection rod. As shown in FIG. 8, the stool collection rod (10) in the toilet bowl of one embodiment has a grip portion (11) on one side, a rod portion (12) on the other side, and a rod portion. A stool collection section (17) provided with an axially inclined groove (17a) may be provided near the tip. The base end of the rod portion (12) of the stool collection rod (10) may be provided with a screw portion (19) for screwing into the container body (not shown). The rod portion (12) is preferably a round rod portion having a constant diameter having a circular cross section, but may be a regular polygon having a cross section close to a circle. In the following, all are referred to as the round bar part (12).

As shown in FIGS. 1 and 8, the tip of the stool collection rod (10) of one embodiment holds the hemisphere portion (13) and stool from the tip of the round bar portion (12) toward the proximal end side. A circumferential recess (15), an upper disk portion (16), and a stool collection portion (17) may be sequentially provided for the purpose. In another embodiment, a lower disk portion (14) may be provided between the hemispherical portion (13) and the circumferential recess (15). The lower limit of the axial thickness of the lower disk portion (14) is not particularly limited, but is, for example, 0.1 mm or more, 0.2 mm or more, 0.3 mm or more, 0.4 mm or more, 0.5 mm or more. 0.6 mm or more, 0.7 mm or more, 0.8 mm or more, 0.9 mm or more, 1.0 mm or more, 1.1 mm or more, 1.2 mm or more, 1.3 mm or more, 1.4 mm or more, 1.5 mm or more, It may be 1.6 mm or more, 1.7 mm or more, 1.8 mm or more, 1.9 mm or more, or 2.0 mm or more. The upper limit of the axial thickness of the lower disk portion (14) is not particularly limited, but is, for example, 1.0 mm or less, 1.1 mm or less, 1.2 mm or less, 1.3 mm or less, 1.4 mm or less, and the like. 1.5 mm or less, 1.6 mm or less, 1.7 mm or less, 1.8 mm or less, 1.9 mm or less, 2.0 mm or less, 2.1 mm or less, 2.2 mm or less, 2.3 mm or less, 2.4 mm or less, It may be 2.5 mm or less, 2.6 mm or less, 2.7 mm or less, 2.8 mm or less, 2.9 mm or less, or 3.0 mm or less. The above upper and lower limit values can be freely combined. The axial thickness of the lower disk portion (14) is not particularly limited, but is, for example, 0.1 mm or more and 3.0 mm or less, 0.5 mm or more and 1.5 mm or less, 1.0 mm or more and 2.0 mm or less. It may be 5 mm or more and 2.5 mm or less or 2.0 mm or more and 3.0 mm or less. Further, the hemispherical portion (13) may have a polished surface. Further, the circumferential recess (15) may be provided with a rib. The shape of the rib is not particularly limited, but for example, as shown in FIG. 9, the shape may be such that only a part of the circumference of the circumferential recess (15) is not formed, or the rib may be axially oriented. It may have a shape extended to. The number of ribs is not particularly limited, but may be, for example, 1, 2, 3, 4, 5, 6, 6, 7, or 8. FIG. 9 shows a rod portion (12) of a stool collection rod in which four ribs (15a) are provided at intervals of 90 ° in the circumferential recess (15).

In one embodiment, the stool collection section (17) of the stool collection rod (10) is provided with an axially inclined groove (17a) in which stool is easily pushed in according to the rotation of the stool collection rod (10). The axially inclined groove (17a) may have a spiral structure along the outer periphery of the stool collection rod (10) from the tip end to the base end portion. The number of axially inclined grooves (17a) is not particularly limited, but may be, for example, one, two, three, four, five, six, seven, or eight. In the embodiment shown in FIG. 1, a stool collecting portion (17) having four axially inclined grooves (17a) is shown. The lower limit of the distance from one end to the other end of the axially inclined groove (17a) in the axial direction is not particularly limited, but is, for example, 1.0 mm or more, 1.1 mm or more, 1.2 mm or more, 1. 3 mm or more, 1.4 mm or more, 1.5 mm or more, 1.6 mm or more, 1.7 mm or more, 1.8 mm or more, 1.9 mm or more, 2.0 mm or more, 2.1 mm or more, 2.2 mm or more, 2. 3 mm or more, 2.4 mm or more, 2.5 mm or more, 2.6 mm or more, 2.7 mm or more, 2.8 mm or more, 2.9 mm or more, 3.0 mm or more, 3.1 mm or more, 3.2 mm or more, 3. It may be 3 mm or more, 3.4 mm or more, 3.5 mm or more, 3.6 mm or more, 3.7 mm or more, 3.8 mm or more, 3.9 mm or more, or 4.0 mm or more. The upper limit of the distance from one end to the other end of the axially inclined groove (17a) in the axial direction is not particularly limited, but is, for example, 2.0 mm or less, 2.1 mm or less, 2.2 mm or less, 2. 3 mm or less, 2.4 mm or less, 2.5 mm or less, 2.6 mm or less, 2.7 mm or less, 2.8 mm or less, 2.9 mm or less, 3.0 mm or less, 3.1 mm or less, 3.2 mm or less, 3. 3. mm or less, 3.4 mm or less, 3.5 mm or less, 3.6 mm or less, 3.7 mm or less, 3.8 mm or less, 3.9 mm or less, 4.0 mm or less, 4.1 mm or less, 4.2 mm or less, 4. It may be 3 mm or less, 4.4 mm or less, 4.5 mm or less, 4.6 mm or less, 4.7 mm or less, 4.8 mm or less, 4.9 mm or less, or 5.0 mm or less. The above upper and lower limit values can be freely combined. The distance from one end to the other end of the axially inclined groove (17a) in the axial direction is not particularly limited, but is, for example, 1.0 mm or more and 5.0 mm or less, 1.0 mm or more and 2.5 mm or less, and 1.5 mm. It may be 3.0 mm or more, 2.0 mm or more and 3.5 mm or less, or 2.5 mm or more and 4.0 mm or less.

In one embodiment, the groove depth of the axially inclined groove (17a) may be shallower from the distal end side (17b) toward the proximal end side (17c). The lower limit of the depth of the axially inclined groove (17a) is not particularly limited, but is, for example, 0.10 mm or more, 0.11 mm or more, 0.12 mm or more, 0.13 mm or more, 0.14 mm or more, 0. 15 mm or more, 0.16 mm or more, 0.17 mm or more, 0.18 mm or more, 0.19 mm or more, 0.20 mm or more, 0.21 mm or more, 0.22 mm or more, 0.23 mm or more, 0.24 mm or more, 0. 25 mm or more, 0.26 mm or more, 0.27 mm or more, 0.28 mm or more, 0.29 mm or more, 0.30 mm or more, 0.31 mm or more, 0.32 mm or more, 0.33 mm or more, 0.34 mm or more, 0. It may be 35 mm or more, 0.36 mm or more, 0.37 mm or more, 0.38 mm or more, 0.39 mm or more, or 0.40 mm or more. The upper limit of the depth of the axially inclined groove (17a) is not particularly limited, but for example, 0.30 mm or less, 0.31 mm or less, 0.32 mm or less, 0.33 mm or less, 0.34 mm or less, 0.35 mm or less, 0.36 mm or less, 0.37 mm or less, 0.38 mm or less, 0.39 mm or less, 0.40 mm or less, 0.41 mm or less, 0.42 mm or less, 0.43 mm or less, 0.44 mm or less, It may be 0.45 mm or less, 0.46 mm or less, 0.47 mm or less, 0.48 mm or less, 0.49 mm or less, or 0.50 mm or less. The above upper and lower limit values can be freely combined. The depth of the axially inclined groove (17a) is not particularly limited, but for example, 0.10 mm or more and 0.50 mm or less, 0.10 mm or more and 0.20 mm or less, 0.20 mm or more and 0.30 mm or less, 0. It may be 30 mm or more and 0.40 mm or less or 0.40 mm or more and 0.50 mm or less.
Further, the lower limit of the difference between the shallow portion and the deep portion of the groove in this case is not particularly limited, but is, for example, 0.01 mm or more, 0.02 mm or more, 0.03 mm or more, 0.04 mm or more, 0. It may be 05 mm or more, 0.06 mm or more, 0.07 mm or more, 0.08 mm or more, 0.09 mm or more, or 0.10 mm or more. The upper limit of the difference between the shallow portion and the deep portion of the groove is not particularly limited, but for example, 0.11 mm or less, 0.12 mm or less, 0.13 mm or less, 0.14 mm or less, 0.15 mm or less, It may be 0.16 mm or less, 0.17 mm or less, 0.18 mm or less, 0.19 mm or less, or 0.20 mm or less. The above upper and lower limit values can be freely combined. The difference between the shallow portion and the deep portion of the groove is not particularly limited, but is, for example, 0.01 mm or more and 0.20 mm or less, 0.01 mm or more and 0.10 mm or less, or 0.01 mm or more and 0.05 mm or less. good.

In one embodiment, the round bar portion of the axially inclined groove (17a) has a spiral structure along the outer periphery of the stool collection rod (10) from the tip end side (A) to the proximal end side (B). From the tip end side (A) to the base end side (B) of (12), it may be clockwise or counterclockwise, but it is preferably in the same direction as the rotation direction of the above-mentioned stool collection rod. The lower limit of the spiral angle is not particularly limited, but may be, for example, 1 ° or more, 2 ° or more, 3 ° or more, 4 ° or more, 5 ° or more, 6 ° or more, or 7 ° or more. .. The upper limit of the angle of the spiral is not particularly limited, but is, for example, 3 ° or less, 4 ° or less, 5 ° or less, 6 ° or less, 7 ° or less, 8 ° or less, 9 ° or less, or 10 ° or less. May be. The above upper and lower limit values can be freely combined. The angle of the spiral is not particularly limited, but for example, 1 ° or more and 10 ° or less, 1 ° or more and 2 ° or less, 2 ° or more and 3 ° or less, 3 ° or more and 4 ° or less, 4 ° or more and 5 ° or less, It may have a spiral structure of 5 ° or more and 6 ° or less or 6 ° or more and 7 ° or less.

In one embodiment, in order to provide the function of scraping off the stool to the center of the toilet bowl, a reduced diameter step portion (18) having a notch on the base end side of the round bar portion (12) of the stool collection rod (10). ) May be provided. The number of reduced diameter step portions (18) having notches is not particularly limited, but may be, for example, 1, 2, 3, or 4.

The grip portion (11) provided on one side of the stool collection rod (10) of one embodiment suspends stool in the stool lysate before the stool collection operation and in the stool lysate after the stool collection operation. A shape that functions as a cap member of the toilet bowl to prevent leakage and splattering of the stool solution, for example, the lower end of the grip portion (11) may be a flange shape or a skirt shape, which is appropriate for easy gripping during stool collection. Surface processing may be applied. Further, in order to impart a liquidtight function to the stool collection rod (10) provided with the grip portion (11) as a cap member, a screw portion provided at the base end of the round bar portion (12) of the stool collection rod (10). According to (19), the stool collection rod (10) may be screwed into the fitting body (21) and attached in a liquidtight state. The rotation pitch when the stool collection rod (10) is screwed into the fitting body (21) is not particularly limited, but for example, the stool collection rod (10) is rotated once or more and 1.5 times. The above-mentioned stool collection rod (10) when screwed in 2 rotations or more, 2.5 rotations or more, 3 rotations or more, 3.5 rotations or more, 4 rotations or more, 4.5 rotations or more, or 5 rotations or more. The pitch may be such that the ratio of the insertion distance to the distance from the proximal end side (17c) to the distal end side (17b) of the axially inclined groove (17a) is 1: 1. Further, in this case, the distance from the base end side (17c) to the tip end side (17b) of the axially inclined groove (17a) is from one end to the other end in the axial direction of the above-mentioned axially inclined groove (17a). It can be a distance.

The lower limit of the diameter of the round bar portion (12) in the proximal end side (17c), the upper disk portion (16) or the lower disk portion (14) of the axially inclined groove (17a) is not particularly limited. For example, 1.0 mm or more, 1.1 mm or more, 1.2 mm or more, 1.3 mm or more, 1.4 mm or more, 1.5 mm or more, 1.6 mm or more, 1.7 mm or more, 1.8 mm or more, 1. It may be 9 mm or more or 2.0 mm or more. Further, the upper limit of the diameter of the round bar portion (12) in the proximal end side (17c), the upper disk portion (16) or the lower disk portion (14) of the axially inclined groove (17a) is not particularly limited. However, for example, 2.0 mm or less, 2.1 mm or less, 2.2 mm or less, 2.3 mm or less, 2.4 mm or less, 2.5 mm or less, 2.6 mm or less, 2.7 mm or less, 2.8 mm or less, It may be 2.9 mm or less or 3.0 mm or less. The above upper and lower limit values can be freely combined. The diameter of the round bar portion (12) in the proximal end side (17c), the upper disk portion (16) or the lower disk portion (14) of the axially inclined groove (17a) is not particularly limited, but for example. , 1.0 mm or more and 3.0 mm or less, 1.0 mm or more and 2.0 mm or less, 1.5 mm or more and 2.5 mm or less, or 2.0 mm or more and 3.0 mm or less.

As for the length of the rod portion of the stool collection rod (10) of one embodiment, the stool collection portion (17) near the tip of the round rod portion (12) is provided on the fitting body (21) or the separator (27). It may be a length that passes through the second scraping portion (28). Further, when the stool lysate is contained in the stool lysate accommodating portion (29) described later, the length of the rod portion of the stool collection rod (10) is the round bar portion (12) of the stool collection rod (10). The stool collection portion (17) near the tip of the stool may be of a length that allows the scraping portion (23) and the second scraping portion (28) to be inserted and immersed in the fecal solution. The material of the stool collection rod (10) is not particularly limited, but may be, for example, low-density PE, ABS resin, or the like.

FIG. 10 (left) shows a container body including a toilet rod, a container outer frame, and a fitting body fitted inside the container outer frame, and a fitting body fitted in the container body and a fecal lysate accommodating portion. It is a vertical sectional view of a "fecal solution type" toilet bowl equipped with and. Further, FIG. 10 (right) is an enlarged view of a main part about the periphery of the scraped portion and the second scraped portion.

The container body (20) of one embodiment may be separable into a plurality of members. When the container body can be separated into a plurality of members, the cylindrical guide portion (22) and the scraping portion (23) may be collectively installed in one of the plurality of members. It may be divided into the plurality of members and arranged. The number and types of the plurality of members are not particularly limited, but may be, for example, a container outer frame (25) and a fitting body (21) fitted inside the container outer frame, in which case. The tubular guide portion (22) and the scraping portion (23) may be arranged in the fitting body (21). The container outer frame (25) is not particularly limited as long as it is a bottomed cylindrical container having an opening for fitting the fitting body (21) on one side and a bottom on the other side, but for example, the cross section is square. , Rectangular, oval, circular, etc. may be a bottomed cylindrical container. In addition, in order to reliably guide the tip of the fecal solution suction nozzle to the pierced portion and perform sampling reliably, the bottom of the container body (20) is narrowed toward the concave bottom (30) provided with the pierced portion, especially toward the bottom. It may be a tapered concave bottom. The concave bottom (30) provided with the pierced portion may have a strength or structure that can be perforated by the tip of the fecal solution suction nozzle. Further, the fecal solution may be stored in advance in the fecal solution accommodating portion (29) formed between the lower portion of the container outer frame (25) and the lower portion of the fitting body (21).

The material of the container body (20) of one embodiment is not particularly limited, but may be, for example, a flexible resin such as PP, PE, polyester, or polyvinyl chloride. The fecal solution is not particularly limited as long as it is a solution that can suspend the stool collected in the stool collection part of the stool collection rod, but for example, an aqueous medium such as deionized water, distilled water, or a buffer solution can be used. It may be there. The buffer solution is not particularly limited, but for example, phosphate buffer solution, carbon dioxide buffer solution, ammonia buffer solution, acetate buffer solution, lactic acid buffer solution, citrate buffer solution, tartrate buffer solution, borate buffer solution, and glycine buffer solution. It may be a liquid or a good buffer.

As the fitting body (21) fitted inside the container outer frame (25) of one embodiment, the inside of the container body (20) is made liquid-tight with the upper and lower fecal solution accommodating portions (29). A tubular guide portion (22) that can be blocked and into which the round bar portion (12) of the stool collection rod (10) can be inserted may be provided. Inside the tubular guide portion (22), a reduced diameter portion (reverse taper structure) that gradually reduces the diameter in the insertion direction of the round bar portion (12) may be partially or wholly provided. Further, a scraping portion (23) for removing excess stool may be provided at the lower end of the reduced diameter portion of the tubular guide portion (22). Further below the scraped portion (23) of the tubular guide portion (22), a thin cylindrical portion (26) and a second scraped portion (28) provided on the separator (27) may be sequentially provided.

In one embodiment, a projecting member (24) may be provided on the inner wall of the lower portion of the reduced diameter portion of the cylindrical guide portion (22) (the end portion of the tubular guide portion on the side of the sheared portion). Further, in one embodiment, a predetermined gap may be provided between the projecting member (24) and the round bar portion (10) as described above.

In one embodiment, the stool collected by the stool collection rod (10) is subjected to the fecal lysate container (29) after the excess stool is removed through the shaving portion (23) and the second shaving portion (28). ) Is suspended in the fecal solution contained in) to give the fecal solution. The second scraping portion (28) may be provided on the fitting body (21) together with the scraping portion (23), but is a PE or elastomer separator (which can be fitted to the bottom of the fitting body (21)). It may be configured as 27).

The material for forming the fitting body (21) of one embodiment is not particularly limited, but has liquid-tight sealing property, attachment to the outer frame (25) of the container, a scraping portion (23), and a second scraping portion (28). ), For example, a soft flexible resin such as PE, PP, polyester, soft polyvinyl chloride, and an olefin elastomer may be used in consideration of the insertability of the stool collection rod (10).

Illustrate the method of collecting stool of one embodiment using the above-mentioned stool collecting device of one embodiment. Remove the stool collection stick (10) from the stool collection device, and pierce the stool collection part (17) of the stool collection rod (10) into the stool or rub the surface of the stool to collect stool. Next, the round bar portion (12) of the stool collection rod (10) is inserted into the container body (20) in an upright state via the tubular guide portion (22) of the fitting body (21), and the stool collection rod (10) is inserted. ) Is screwed in, and the screw portion (19) provided at the base end of the rod portion of the stool collection rod (10) is screwed with the screw hole provided at the upper part of the fitting body to screw the container body (20). ) Is sealed, and the stool collection part (17) of the stool collection rod (10) is inserted into the shaving part (23) and the second shaving part (28), and is preliminarily stored in the stool solution accommodating part (29). Immerse in the stool solution.

The toilet bowl (see Patent Document 1) of the "fecal solution type" which is one embodiment of the present invention has been described above, but as another embodiment, for example, as described in Patent Document 3. It can be applied to "fecal desiccant type" toilet bowls. That is, in one embodiment, the fecal solution accommodating portion of the container body described above may be used as the desiccant accommodating portion. In that case, the stool sample after stool collection attached to the stool collection part of the stool collection rod is brought into contact with the desiccant in the desiccant storage chamber to dry the stool sample, and the dried stool sample is in the desiccant. After storing in, an aqueous medium is added to the desiccant in which the dried stool sample is stored, the components in the stool sample are dissolved in the aqueous medium, and the components in the stool sample dissolved in the aqueous medium are dissolved. You may measure. The desiccant is not particularly limited as long as the stool sample can be dried, but may be, for example, silica gel or aluminum oxide.

The present disclosure provides a toilet bowl and a stool collection method useful for colorectal cancer screening and the like.

10 ... Stool collection stick
11 ... Grip of stool collection rod
12 ... Rod portion 13 of the stool collection rod ... Hemispherical portion 14 ... Lower disk portion 15 ... Circumferential recess 15a ... Ribs 16 provided in the circumferential recess 16 ... Upper disk portion 17 ... Stool collection part 17a of the stool collection rod ... Axial tilt groove 17b ... Tip side of the axial tilt groove 17c ... Base end side of the axial tilt groove 18 ... Reduced diameter step with a notch Axial edge 19 of the notch of the reduced diameter step portion 18a ... Threaded portion 20 at the base end of the rod portion of the stool collection rod ... Container body 21 ... Fitting body 22 ... Cylindrical guide portion 23 ... Scraping part 24 ... Protruding member 25 ... Container outer frame 26 ... Thin cylindrical part 27 ... Separator 28 ... Second shaving part 29 ... Fecal solution accommodating part 30・・・ Concave bottom F with pierced part ・・・ Excessive stool attached to the stool collection part F'・・・ Stool W attached to the inner wall of the tubular guide part

Claims

A stool collection rod having a stool collection portion having an axially inclined groove in the vicinity of the rod portion and the end portion of the rod portion, and a stool collection rod.
A container body that accommodates the stool collection rod and has a scraping portion that scrapes stool at a position where the stool collection unit passes when the stool collection rod is accommodated.
Toilet bowl including.
The rod portion of the stool collection rod has a screw portion and has a screw portion.
The container body is provided with a screw hole for screwing into the screw portion.
The toilet bowl according to claim 1.
The toilet bowl according to claim 2, wherein the toilet collecting rod is provided with the screw portion at the other end base of the rod portion.
The ratio of the insertion distance of the stool collection rod to the distance from one end to the other end in the axial direction of the axially inclined groove when the stool collection rod is screwed into the container body for 1.5 turns or more is The toilet bowl according to any one of claims 1 to 3, which is 1: 1.
The toilet bowl according to any one of claims 1 to 4, further comprising a plurality of axially inclined grooves.
The toilet bowl according to any one of claims 1 to 5, wherein the groove depth of the axially inclined groove becomes shallower from the tip end side to the base end side of the rod portion.
The toilet bowl according to any one of claims 1 to 6, wherein the axially inclined groove has a spiral structure of 3 ° or more and 4 ° or less along the outer circumference of the rod portion.
17. One of the listed toilet bowls.
A claim that the rod portion is a round bar portion having a constant diameter, and the round bar portion sequentially includes a hemispherical portion, a circumferential recess, and an upper disk portion from the tip end side to the base end side. The toilet bowl according to any one of 1 to 8.
The toilet bowl according to claim 9, wherein the hemisphere portion has a polished surface.
The toilet bowl according to claim 9 or 10, wherein the circumferential recess has one or a plurality of ribs.
The toilet bowl according to any one of claims 9 to 11, wherein the rod portion includes a lower disk portion between the hemisphere portion and the circumferential recess.
The toilet bowl according to claim 12, wherein the thickness of the lower disk portion in the axial direction is 0.5 mm or more and 1.5 mm or less.
The toilet bowl according to any one of claims 9 to 13, which has a gap between the protruding member and the round bar portion.
The toilet bowl according to any one of claims 9 to 14, wherein the round bar portion is provided with a reduced diameter step portion having a notch on the base end side thereof.
The toilet bowl according to claim 9 to 15, further comprising a second scraping portion formed by reducing the diameter of the hole to the diameter of the round bar portion or less.
The container body includes a container outer frame and a fitting body fitted inside the container outer frame.
The fitting comprises a matable polyethylene (PE) or elastomeric material separator at its bottom.
The toilet bowl according to claim 16, wherein the separator includes the second scraping portion.
A method of collecting stool using the stool collecting device according to any one of claims 1 to 17.